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Add git_tag_list

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Lists all the tag references in a repository using a custom callback.
Includes unit tests courtesy of Emeric Fermas <3
This commit is contained in:
Vicent Marti 2011-04-12 15:52:34 -07:00
parent fdd0cc9e89
commit def3fef197
3 changed files with 57 additions and 0 deletions
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17
include/git2/tag.h
View File

@ -275,6 +275,23 @@ GIT_EXTERN(int) git_tag_delete(
git_repository *repo,
const char *tag_name);
/**
* Fill a list with all the tags in the Repository
*
* The string array will be filled with the names of the
* matching tags; these values are owned by the user and
* should be free'd manually when no longer needed, using
* `git_strarray_free`.
*
* @param array Pointer to a git_strarray structure where
* the tag names will be stored
* @param repo Repository where to find the tags
* @return 0 on success; error code otherwise
*/
GIT_EXTERN(int) git_tag_list(
git_strarray *tag_names,
git_repository *repo);
/** @} */
GIT_END_DECL
#endif

26
src/tag.c
View File

@ -377,3 +377,29 @@ int git_tag__parse(git_tag *tag, git_odb_object *obj)
return parse_tag_buffer(tag, obj->raw.data, (char *)obj->raw.data + obj->raw.len);
}
static int tag_list_cb(const char *tag_name, void *payload)
{
if (git__prefixcmp(tag_name, GIT_REFS_TAGS_DIR) == 0)
return git_vector_insert((git_vector *)payload, git__strdup(tag_name));
return GIT_SUCCESS;
}
int git_tag_list(git_strarray *tag_names, git_repository *repo)
{
int error;
git_vector taglist;
if (git_vector_init(&taglist, 8, NULL) < GIT_SUCCESS)
return GIT_ENOMEM;
error = git_reference_listcb(repo, GIT_REF_OID|GIT_REF_PACKED, &tag_list_cb, (void *)&taglist);
if (error < GIT_SUCCESS) {
git_vector_free(&taglist);
return error;
}
tag_names->strings = (char **)taglist.contents;
tag_names->count = taglist.length;
return GIT_SUCCESS;
}

14
tests/t08-tag.c
View File

@ -64,6 +64,19 @@ BEGIN_TEST(read0, "read and parse a tag from the repository")
git_repository_free(repo);
END_TEST
BEGIN_TEST(read1, "list all tag names from the repository")
git_repository *repo;
git_strarray tag_list;
must_pass(git_repository_open(&repo, REPOSITORY_FOLDER));
must_pass(git_tag_list(&tag_list, repo));
must_be_true(tag_list.count == 3);
git_strarray_free(&tag_list);
git_repository_free(repo);
END_TEST
#define TAGGER_NAME "Vicent Marti"
#define TAGGER_EMAIL "vicent@github.com"
@ -227,6 +240,7 @@ END_TEST
BEGIN_SUITE(tag)
ADD_TEST(read0);
ADD_TEST(read1);
ADD_TEST(write0);
ADD_TEST(write1);
ADD_TEST(write2);